# Hubble Observer API

**Canonical:** https://apis.io/apis/isovalent/hubble-observer-api/  
**Provider:** Isovalent — https://apis.io/providers/isovalent/  
**Base URL:** hubble-relay.kube-system.svc.cluster.local:80  
**Documentation:** https://docs.cilium.io/en/stable/observability/hubble/

Hubble Observer API is one of 10 APIs that [Isovalent](https://apis.io/providers/isovalent/) publishes on the [APIs.io](https://apis.io/) network.

The gRPC Hubble Observer, Relay, and Peer APIs that stream real-time network flow, service-map, and connectivity observability events from Cilium's eBPF dataplane.

## Machine-readable artifacts (5)

- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/isovalent/refs/heads/main/grpc/isovalent-hubble-observer.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/isovalent/refs/heads/main/grpc/isovalent-hubble-flow.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/isovalent/refs/heads/main/grpc/isovalent-hubble-relay.proto
- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/isovalent/refs/heads/main/grpc/isovalent-hubble-peer.proto
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/isovalent/refs/heads/main/apis.yml

## Other Isovalent APIs (9)

- [Isovalent bgp API](https://apis.io/apis/isovalent/isovalent-bgp-api/)
- [Isovalent connectivity API](https://apis.io/apis/isovalent/isovalent-connectivity-api/)
- [Isovalent daemon API](https://apis.io/apis/isovalent/isovalent-daemon-api/)
- [Isovalent endpoint API](https://apis.io/apis/isovalent/isovalent-endpoint-api/)
- [Isovalent Healthz API](https://apis.io/apis/isovalent/isovalent-healthz-api/)
- [Isovalent ipam API](https://apis.io/apis/isovalent/isovalent-ipam-api/)
- [Isovalent policy API](https://apis.io/apis/isovalent/isovalent-policy-api/)
- [Isovalent prefilter API](https://apis.io/apis/isovalent/isovalent-prefilter-api/)
- [Isovalent service API](https://apis.io/apis/isovalent/isovalent-service-api/)

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/isovalent/hubble-observer-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/isovalent/.